module.exports = {
	/* 获取json元素数量 */
	getJsonLength(jsonData) {
		var length = 0;
		for (var ever in jsonData) {
			length++;
		}
		return length;
	},
	/* 获取当天时间 */
	getNowFormatDate() {
	  var date = new Date();
	  var seperator1 = "-";
	  var year = date.getFullYear();
	  var month = date.getMonth() + 1;
	  var strDate = date.getDate();
	  if (month >= 1 && month <= 9) {
	    month = "0" + month;
	  }
	  if (strDate >= 0 && strDate <= 9) {
	    strDate = "0" + strDate;
	  }
	  var currentdate = year + seperator1 + month + seperator1 + strDate;
	  return currentdate;
	},
	getMathRand(){
		var Num="";
		for(var i=0;i<9;i++){
			Num+=Math.floor(Math.random()*10);
		}
		return Num;
	}
}